IBE6275 Returns to Madrid

[RonR]

Iberia flight 6275 enroute to Chicago, USA had just reached FL300 and was about to cross over Portugal when the crew squawked 7700 and opted to return to Madrid, Spain.  They landed safely a short time later.  The reason for the emergency is not known as yet.

https://www.flightaware.com/live/flight/IBE6275